Table 2 Laboratory and shock treatment characteristics
| Â | High lactate clearance | Low lactate clearance | p value |
|---|---|---|---|
n = 333 | n = 295 | ||
Laboratory findings, Initial | |||
 Hemoglobin (mg/dL) | 12.7 (10.5–14.7) | 12.2 (10.5–14.0) | 0.039 |
 Serum glucose (mg/dL) | 222.0 (150.0–319.0) | 183.0 (134.0–269.0) | 0.001 |
 Total bilirubin (mg/dL) | 0.6 (0.4–1.2) | 0.7 (0.5–1.2) | 0.021 |
 Creatinine (mg/dL) | 1.3 (1.0–1.7) | 1.2 (0.9–1.8) | 0.085 |
 Lactate (mmol/L, at admission) | 6.9 (4.7–1.0) | 3.7 (2.3–7.1) |  < 0.001 |
 Lactate (mmol/L, 24 h after admission) | 1.2 (0.9–1.7) | 2.3 (1.4–6.8) |  < 0.001 |
 Lactate clearance (%) | 80.0 (72.1–86.5) | 36.2 (0.0–53.6) |  < 0.001 |
 NT–proBNP (pg/mL) | 5884.5 (1015.5–21,827.8) | 5152.0 (1506.5–13,628.5) | 0.424 |
Vasoactive inotropic score | 27.7 (8.0–80.0) | 37.0 (10.0–110.0) | 0.006 |
Use of venous central line | 218 (65.5) | 200 (67.8) | 0.537 |
Use of mechanical circulatory support | 0.134 | ||
 None | 138 (41.4) | 97 (32.9) |  |
 ECMO | 126 (37.8) | 127 (43.1) |  |
 IABP | 51 (15.3) | 48 (16.3) |  |
 ECMO + IABP | 18 (5.4) | 23 (7.8) |  |
Shock-to-ECMO time < 24 h | 126 (37.8) | 133 (45.1) | 0.066 |
ECPR | 62 (18.6) | 72 (24.4) | 0.077 |
Continuous renal replacement therapy | 75 (22.5) | 109 (36.9) |  < 0.001 |
Mechanical ventilation | 219 (65.8) | 198 (67.1) | 0.720 |
Length of intensive care unit stay (day) | 8.0 (4.0–16.5) | 6.0 (2.0–15.0) | 0.002 |
Length of hospital stay (day) | 14.0 (8.0–28.0) | 11.0 (5.0–27.0) | 0.001 |